Device for verifying individual, and method for verifying individual
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United States of America Patent
Stats
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May 5, 2009
Grant Date -
Jul 13, 2006
app pub date -
Jul 29, 2005
filing date -
Jan 12, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
For received fingerprint data, there are generated a large number of fingerprint data which are varied by estimating a frequency of appearance of errors due to offset of a finger and inverting predetermined bits. A one-way function is applied to data, which combines a received password and each of the large number of fingerprint data, so as to convert into data of 128 bits for example. Each of the large number of 128-bit data is converted into a character string of 32 characters for example. The large number of character string data are classified by using first two characters thereof, and are registered in an HDD as verification templates corresponding to a user name. By using these verification templates, it is possible to prevent surreptitious use of biological information in a device for verifying an individual by biological information.
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